Calculate the pH of 0.001M `HNO_3` solution

Calculate the pH of 0.001 M HCl solution.

Calculate the pH of 0.1 MNH_(3) solution.

Calculate the pH of a 0.001 M solution of Ba(OH)_2 assuming it to be completely ionised .

The acid ionization (hydrolysis) constant of Zn^(2+)" is "1.0 xx 10^(-9) Calculate the pH of a 0.001 M solution of ZnCl2

Calculate the pH of a 0.01 M solution of benzoic acid, the K_a being 7.3xx10^(-5)